func google.golang.org/api/idtoken.NewClient

2 uses

	google.golang.org/api/idtoken (current package)
		idtoken.go#L32: func NewClient(ctx context.Context, audience string, opts ...ClientOption) (*http.Client, error) {

	golang.org/x/pkgsite/internal/auth
		auth.go#L31: 	return idtoken.NewClient(ctx, audience, opts...)